What are the functions and desired performance standards of the asset in its present operating context? Functional Failures: In what ways can it fail to fulfill its functions? Failure Modes: What causes each functional failure? Failure Effects: What happens when each failure occurs? Failure Consequences:
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Many Maintenance Management Systems (CMMS) or Enterprise Asset Management (EAM) software platforms claim to feature "RCM modules." SAE JA1011 helps you evaluate whether the software strictly supports the data structures mandated by the standard.
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. This standard defines the minimum requirements a process must meet to be considered "RCM compliant". 1. Understand the 7 Essential Questions
To be compliant with the standard, a process must answer these seven fundamental questions about a physical asset in its current operating context:
Define exactly what an RCM process must include to be technically defensible. What are the functions and desired performance standards
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According to SAE JA1011, any compliant RCM process must be able to answer the following seven questions in order:
This step selects technically feasible and economically worthwhile maintenance actions. Tasks include scheduled restoration, scheduled discard, or on-condition tasks (Condition Monitoring). 7. Default Actions Failure Effects: What happens when each failure occurs
This stage evaluates "failure consequences." RCM classifies consequences into four categories:
The standard was developed in the late 1990s by a committee of international RCM experts. Its primary goal is to prevent marketing confusion and ensure that any process labeled as "RCM" conforms to the highly effective principles established by Nowlan and Heap in their seminal 1978 report for the U.S. Department of Defense. The 7 Core Questions of SAE JA1011
What should be done to predict or prevent each failure?
The Society of Automotive Engineers (SAE) developed JA1011, officially titled "Evaluation Criteria for Reliability-Centered Maintenance (RCM) Processes." Published initially in 1998 and reaffirmed multiple times since, this standard serves as the litmus test.
Once functions are defined, RCM identifies "functional failures"—the states in which an asset cannot meet its desired performance standard. For example, if a pump must output 500 GPM, an output of only 300 GPM is a functional failure, as is a total breakdown (0 GPM). 3. What causes each functional failure (failure modes)?